Spacer for vacuum-receptacles.



F. E CARLSON.

SPACER FOR VACUUM RECEPTACLES. APPLICATION HLED'J'ULY 29.1915.

Patentd June 13, 1916.

w 0 e I \g a U ii ll hi l? @Flh ll Ul-Ih R-EIlJlE-LICK E. CARLfSUl-l. 0FNEVI BRITAIN, CONNECTICUT, ASSIGNOIQ T0 LANLDIERS,

EIldll'ljl? Ea CLARK, OF IlE'W BRITAIN, CONNECTICUT, A

CGRPORATION 0F EON SPACER, 3GB, VACUUM-BECEPTACLES.

specification of- Letters Patent.

larcnrorl Jnnc l3, 19M

rippllca't'lon filczl Zfnly 259, 1915. Serial No. 42,648

l 1 Within the niclzallic case as to minimize hrcalzagajc inc snchlcnjilS or olts.

is a central rcrrical npl, jcceplaclc and case, cqllippcrl with hisspaccr constituting this invention. Fig. is a liransrersc scotion HEW onenlarged se l.

Rcfcrrin, to the (lra'o case, which is usually 0 ial, 71 the capconnected to the case as icrcw threads, 0 a cushioning, gasket :0 hcarupon the nocic of the rccophiclc, and (Z the rcccplaclc, which as shownis of douhlc-walicll cliinsiriw'rion, the space bciwccn the Walls liningevacuated.

e (lcnotcs the spacers, \rhi -h consist of a plnraliay or", and'prcfahly' four, separate strips of rcsilicnl'. inatcrial, prci crahlymoral, arrangcol longzi'tnrlinally lJC 'l' Hll like receptacle and lihccase, hear at l1hcir edges on tho case and contacting \Hl'li thoreceptacle along their median lino for a slmsrantial, if not (he,sgrcator, portion of tho lcn th of the receptacle. The \VlCll'l'l ofthose strips is such that when the rcccptacl-a is in place they areslightly bowed, as indicated in Fig. 2, insuring that ah all limes thercccptaolc is socnrcly supported. within rho case. Any unusual jar orjolt which throws the reccptaole to one side of the case iscount'crz-u-tccl by the resiliency of the spacers which will. bowslightly, and since the receptacle has a hearing against the strips forthe greater part oi its length, the blow is distributed over a largcarea of tho receptacle wall. I prefer to connect the strips in pairsunderneath the hotloin of the receptacle, as shown in Fig, 1, but myinvention is not concerned with fihis part of the structure,

Fig. 1 of thc'drawings illustrates spring fingers y, in which the bottomof the receptaclo rests, although any desirable and suit able support orthis character inay be utilizerl,

The feature of the invention to which an tcntion is particularlydirected is the hearing' of the spacers along their edges against thoinner 'all of the case, and the hearing of the receptacle againstthecentral portion of the spacers, and preferably the bcaring of m spacersagainst the case, and of the receptacle against them, extends for aconsirlrrahlc distance as distinguished from anything in the nature oilpoini contact. claim my inventionl. The combination with a case and avacuum rsceptacle of fragile material locaterl lhorcin, of a pluralityof rcsilionf inctallic spacers arrangcd longitudinally hot'wcon saidcasc and rcceptaclc and spacial from one another, the edges of saidspacers resting againsi the inner Wall of said case and. said receptaclehearing against the central portion of said spacers througl'lout thogreater part of their length.

The combination with a case and a vacuum receptacle of fragile materialloa c l therein, of a plurality of ind/spendontlr acting resilientniclallic strips arranged longinulinally bclwccn saicl case andreceptacle, said strips hearing along their orlgcs against the intoriorof said case, said receptacle hearing against Sillll strips at thcircentral part throughout the greatcr part oi their lcngth.

3, The combination with a case and a vacuum receptacle of fragilematerial lo-- cared therein, of a plurality of strips of

